Indicative ich hatte gekauft wir hatten gekauft subjunctive ich hätte gekauft wir hätten gekauft The present participle (Partizip I) and also the past participle (Partizip II) are employed in place of conjugated verbs or adjectives. Participle II is utilized to variety compound tenses along with the passive form in German. https://josuejpuzd.wikinstructions.com/693645/helping_the_others_realize_the_advantages_of_kaufen